MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixDC:E5:33:30:00:00 /28
Vendor address9th FIoor, Building 9, No.1 Qingxiang road, BaoNeng Science and TechnoIogy Industrial Park, Longhua New District ShenZhen GuangDong CN 518000
Country🇨🇳 China
RegisteredNov 5, 2017
Block rangeDC:E5:33:30:00:00– DC:E5:33:3F:FF:FF
Address capacity1,048,576
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority
Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Example addresses in this block
Where this block sits
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DC:E5:33:20:00:00 /28
Remko GmbH & Co. KG
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DC:E5:33:40:00:00 /28
shenzhen bangying electronics co,.ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
ShenZhen C&D Electronics CO.Ltd. holds 5 registered blocks in the IEEE registry, ranking #634 of 33,421 organizations by block count.
Other blocks registered to ShenZhen C&D Electronics CO.Ltd.